How about german could it be german abbriviations for example tile and name perhaps of the owner with some kind of protective Latin quote, there weren't a lot of swords available in those times and they were extreemly expensive, so we should look at the wealthier noble families. Gross Herzog or Higher nobility

Last week (3 August) we blogged about the medieval sword on display in the British Library’s Magna Carta: Law, Liberty, Legacy exhibition. We have been thrilled by the number of enthusiastic comments and suggestions we have received about this sword. Due to the phenomenal range of suggestions, i...